Number Validation Info

Valid characters for Phone numbers: 0-9, +, , /, - The plus character '+' is used in front of the international dialling code. A space character separates the international code from the remaining digits. The remaining digits should be presented as a single block. An extension number should be separated from the main number by hyphen '-'. When indicating more than one telephone number, separate them using a slash. In this case the international dialling code of the following phone numbers can be omitted. When indicating consecutive numbers in an abbreviated manner use a slash. Examples:
+357 12345678
+357 12345678-0001
+357 12345678/79/80/81
+357 12345678/+357 987654321/+357 9988776655